When you see a spider, does it scare you? Many people are afraid of spiders, but what they may not know is how valuable spiders are to the environment. These tiny creatures are important because they eat many other insects that can be harmful to humans, animals, and other crops. This engaging and age-appropriate text gives readers the tools to see that most spiders are helpful. Fun-filled fact boxes and striking, full-color photographs add excitement to this guide that presents basic science curriculum topics such as ecosystems and food chains.